<template>
  <div>
    <el-row>
      <el-col :span="24">
        <el-form :inline="true" :model="dataForm">
          <el-form-item label="分类">
            <category-cascader :categoryPath.sync="categoryPath"></category-cascader>
          </el-form-item>
          <el-form-item label="品牌">
            <brand-select style="width:160px"></brand-select>
          </el-form-item>
          <el-form-item label="状态">
            <el-select style="width:160px" v-model="dataForm.status" clearable>
              <el-option label="新建" :value="0"></el-option>
              <el-option label="上架中" :value="1"></el-option>
              <el-option label="已下架" :value="2"></el-option>
            </el-select>
          </el-form-item>
          <el-form-item label="检索">
            <el-input style="width:160px" v-model="dataForm.key" clearable></el-input>
          </el-form-item>
          <el-form-item>
            <el-button type="primary" @click="searchSpuInfo">查询</el-button>
          </el-form-item>
        </el-form>
      </el-col>
      <el-col :span="24">
        <spulist :categoryId="categoryId"></spulist>
      </el-col>
    </el-row>
  </div>
</template>

<script>
  //这里可以导入其他文件（比如：组件，工具js，第三方插件js，json文件，图片文件等等）
  //例如：import 《组件名称》 from '《组件路径》';
  import CategoryCascader from "../common/category-cascader";
  import BrandSelect from "../common/brand-select";
  import Spulist from "./spulist";
  export default {
    //import引入的组件需要注入到对象中才能使用
    components: { CategoryCascader, Spulist, BrandSelect },
    props: {},
    data() {
      //这里存放数据
      return {
        categoryId: 0,
        categoryPath: [],
        dataForm: {
          status: "",
          key: "",
          brandId: 0,
          categoryId: 0
        },
        catPathSub: null,
        brandIdSub: null

      };
    },
    //计算属性 类似于data概念
    computed: {},
    //监控data中的数据变化
    watch: {},
    //方法集合
    methods: {
      searchSpuInfo() {
        console.log("搜索条件", this.dataForm);
        this.PubSub.publish("dataForm",this.dataForm);
      }
    },
    //生命周期 - 创建完成（可以访问当前this实例）
    created() {},
    //生命周期 - 挂载完成（可以访问DOM元素）
    mounted() {
      this.catPathSub = PubSub.subscribe("catPath", (msg, val) => {
        this.dataForm.categoryId = val[val.length-1];
      });
      this.brandIdSub = PubSub.subscribe("brandId", (msg, val) => {
        this.dataForm.brandId = val;
      });
    },
    beforeCreate() {}, //生命周期 - 创建之前
    beforeMount() {}, //生命周期 - 挂载之前
    beforeUpdate() {}, //生命周期 - 更新之前
    updated() {}, //生命周期 - 更新之后
    beforeDestroy() {
      PubSub.unsubscribe(this.catPathSub);
      PubSub.unsubscribe(this.brandIdSub);
    }, //生命周期 - 销毁之前
    destroyed() {}, //生命周期 - 销毁完成
    activated() {} //如果页面有keep-alive缓存功能，这个函数会触发
  };
</script>
<style scoped>
</style>
